(Q33440006)
Statements
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ICE COLD ERIC--International collaborative effort on chronic obstructive lung disease: exacerbation risk index cohorts--study protocol for an international COPD cohort study (English)
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Milo A Puhan
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Willem M van der Wal
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Ronald B Geskus
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Marco Zoller
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Irena Joleska
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Identifiers
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